Tc-610/620 Level Diagram - HYT TC-610 Service Manual

TC-610/620 Level Diagram

TX PART
16mVrms 450mVrms
AN29160
MICROPHONE
Mic Amp AF HPF SF Amp
LMT
40 51
Mic Mute
VR200
47K
AF
RX PART
-120dBm -122dBm -104dBm
TUNE BPF LNA TUNE BPF
Q500
AT41511
BPF BPF
RF
150mVrms -45dBm -26dBm -8dBm
VCO buffer
Q100
Q104
C112 2SK508NV Q102
C130 C141
C
1 1
D104
Q101
2SK508NV
D500
-10dBm
LPF
-108dBm -98dBm -103dBm
RF MIXER 1stIF BPF
Q501
3SK318
3
2
38.85M
IF
3dBm 15dBm 27dBm
stimulator power AMP
Q400 2SC5108 Q401 2SK4988
Q402
D400 2SK3475
C400 C402
C405
1 1
2
RF
attenuator
step1to23
-67dBm 250mVrms
-69dBm
AN29160
2ndIF de-emphasis
BPF
23 25 29
44
IFAmp 1
IFAmp 2 AF HPF
AF mute
Volume
21
MIX2
DET
AF
1
39dBm 37dBm
LPF
Q403
RQA0002 C429
C412
2
200mVrms 1W(BTL)
AF AMP
TDA2822 16Ω IW
52
SW